삼십 (三十) -- thirty.

This is the Sino-Korean form of the pure-Korean word 서른. It is preceded by the number 이십구 and followed by 삼십일. When counting by tens, it is preceded by the number 이십 and followed by 사십.

[edit] Usage

• 제30 the thirtieth
• 30대 남자 a man in his thirties

[edit] See also

• Counting in Korean
• 서른